diff --git a/bbmri/modules/directory-sync-compose.yml b/bbmri/modules/directory-sync-compose.yml
index 0a58cd1..17929cc 100644
--- a/bbmri/modules/directory-sync-compose.yml
+++ b/bbmri/modules/directory-sync-compose.yml
@@ -14,3 +14,5 @@ services:
       DS_DIRECTORY_DEFAULT_COLLECTION_ID: ${DS_DIRECTORY_DEFAULT_COLLECTION_ID}
       DS_DIRECTORY_COUNTRY: ${DS_DIRECTORY_COUNTRY}
     command: sh -c "sleep 90 && java -jar directory_sync_service.jar" # Wait for Blaze before start
+    depends_on:
+      - "blaze"